
extern int pt_in_poly (const vertex_t* vl, int np, const vertex_t* v);
extern int pt_in_linestrip (const vertex_t* vl, int np, const vertex_t* v);
extern int pt_in_trianglestrip (const vertex_t* vl, int np, const vertex_t* v);
extern void* getMem(const unsigned int u4MemSize);
extern int gongyue(int m, int n);
extern int getvisualvtx(vertex_t* vertex, const vertex_t vertexIn, float fWidth, float fHeight);